Google Classroom
GeoGebraTarefa

p4 (pinwheel)

This pattern contains 4-fold and 2-fold rotation centers.

p4 pattern

The following tiling with congruent pentagons is constructed in the same way. It can generate Cairo tiling.

pentagon tiling with p4 symmetry

A slight modification will give a tiling with non-congruent pentagons, though having the same symmetries.